Harness hits $5.5B valuation with $240M raise to automate AI’s ‘after-code’ gap

Goldman Sachs has led Harness's Series E round, with participation from IVP, Menlo Ventures, and Unusual Ventures.

This week in AI updates: Anthropic acquires Bun, GPT-5.1-Codex-Max added to API, and more (December 5, 2025)This week in AI updates: Anthropic acquires Bun, GPT …

Bun is a JavaScript, TypeScript, and JSX toolkit, and Anthropic plans to incorporate it into Claude Code to improve ...